UNIT ONE: Toward Independence

Lesson 19
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Lesson 52

GPS (Global Positioning System)

LEFT SIDE
PAGE 44

1
WARM-UP

Marco?
POLO.

Marco?
POLO.

What is this all about?

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4
WRAP-UP
 
What impact will GPS have on our lives?

RIGHT SIDE
PAGE 45

 
 
 
 
 
 
 
 
 
 
 
 
 
 
2
OBJECTIVES:
  • Define GPS and GIS.
  • Explain how GPS works.

3
NOTES:
  • What is GPS?
    • aka Global Positioning System
    • GPS is NOT a TRACKING SYSTEM (i.e. chip set transmitter)
    • GPS is a LOCATOR
  • How does GPS work?
    • A GPS unit is only a "stopwatch"!
      • It measures how long a signal takes to reach it from satellites about 11,000 miles in the atmosphere.

24 satellites

A GPS System

 
GPS